Merge pull request #134 from trajano/value-compare-exception-ctor

Alternate constructor for ValueCompareException

json-path/src/main/java/com/jayway/jsonpath/Criteria.java

@@ -912,8 +912,7 @@ public class Criteria implements Predicate {
             JsonValue json = (JsonValue) left;
             return right.equals(json.parsed(ctx)) ? 0 : -1;
         } else {
-            logger.debug("Can not compare a {} with a {}", left.getClass().getName(), right.getClass().getName());
-            throw new ValueCompareException();
+            throw new ValueCompareException(left, right);
         }
     }
 

json-path/src/main/java/com/jayway/jsonpath/ValueCompareException.java

@@ -19,6 +19,16 @@ public class ValueCompareException extends JsonPathException {
     public ValueCompareException() {
     }
 
+    /**
+     * Construct the exception with message capturing the classes for two objects.
+     *
+     * @param left first object
+     * @param right second object
+     */
+    public ValueCompareException(final Object left, final Object right) {
+        super(String.format("Can not compare a %1s with a %2s", left.getClass().getName(), right.getClass().getName()));
+    }
+
     public ValueCompareException(String message) {
         super(message);
     }